Electronics Forum | Tue Apr 20 23:18:48 EDT 1999 | KEVIN SIMPSON
25 PPM)! | | 1. Is there a better process to solder the leads of QFP's with lifted "minute" lifted leads still having a realiable solder joints? | | 2. Or has anybody tried modifying solder pads and use thicker solder paste deposit to compensate fo
Electronics Forum | Tue Apr 13 04:54:53 EDT 1999 | Charles Stringer
| | DOES ANY ONE KNOW HOW I CAN STRAIGHTEN | | BENT PINS ON A FINE PITCH QFP WITH OUT DAMAGING | | THE CHIP. AT $300 A CHIP I CAN'T SCRAP THEM. | | | I use tweezers and picks. I place the component down on it's backside (legs up) and manually twe
Electronics Forum | Tue Apr 13 12:36:57 EDT 1999 | Scott McKee
| | | DOES ANY ONE KNOW HOW I CAN STRAIGHTEN | | | BENT PINS ON A FINE PITCH QFP WITH OUT DAMAGING | | | THE CHIP. AT $300 A CHIP I CAN'T SCRAP THEM. | | | | | I use tweezers and picks. I place the component down on it's backside (legs up) and ma
Electronics Forum | Thu Oct 16 15:30:19 EDT 2008 | bickt
Thanks for the reply. Yes she looks out for herself and best deal. When I first came on board here she was buying QFP'S from brokers rather than doing the right thing I had to speak out even though i was new. it turns out i was right warning them
Electronics Forum | Thu Oct 02 17:55:16 EDT 2008 | davef
~le sigh~ makes a good point about forcing bent leads into the solder, letting the solder cool, and releasing the force on the lead. On the other hand, reforming leads of components prior to assembly is dangerous, also, because the "bending of a lead
Electronics Forum | Mon Sep 09 12:00:01 EDT 2013 | proteus
I have a 208 pin QFP that due to manufacture obsolescence I have to get them form the broker market. I've had several issues with the parts including; bent leads, leads that don't take solder very well, co-planarity problems, and DOA fallout after a
Electronics Forum | Thu Sep 10 14:02:31 EDT 1998 | Phil Teerink
| Is a machine available to straighten QFP legs | Where? | How much? | Anygood? Topline components offers a kit for about $500 Is not a life saving solution, but works well enough to fix QFP's with a few bent legs. Phil Teerink
Electronics Forum | Thu Sep 10 15:41:59 EDT 1998 | Chrys
| Is a machine available to straighten QFP legs | Where? | How much? | Anygood? Ben, Texas Instruments makes a way cool machine for straightening bent QPF leads. It's totally automatic. It'll pick'em out of waffle trays, do a vision inspect for, "t
Electronics Forum | Thu Nov 04 19:55:49 EDT 2010 | eadthem
The best method i have for the few lifted/bent lead issues we have is i use a ic/bridge inspector with all its default options to check for bridges and solder at the tip. then i add a solder inspector but this time accrost all pins at the downslope o
Electronics Forum | Thu Sep 17 11:20:42 EDT 1998 | Ben Salisbury
| Does anybody know of a tool to rework bent legs on a QFP package ? Ben- Check the threads below....a few good options were discussed a few days ago -Ben odd... it feels as though I'm writing to myself
.jpg)
